Identification of surgical instruments week 1

Temperature in the assembly area?

Temperature in the assembly area?

18 to 23 degrees C

Define cleaning

The removal of all visible and non-visible soil and any other foreign material from medical devices being reprocessed

Define: Decontaminatoin

Removing or reducing contamination by infectious organisms or other harmful substances

The assembly area steps

1. Sorting

2. Inspecting

3. Assembling

4. Packaging for sterilization

5. Labelling

Before using an instrument that is new or has been received back from repair, do you need to decontaminate it?

YES

Why should you not put floor grade and OR instruments in the same wash?

Leaching effect

Give examples of inspection points

Hinge and joint action

Jaw and teeth alignment

Ratchet alignment and function

Cutting edge sharpness

Lens inspection

Insulation testing

Light cord testing

Material integrity inspection

Surface damage: wear, corrosion, chips, burrs, dents, loss of finish or others

What kind of tape do you use to seal trays with?

STERRAD

Storage rules

At least ___ inches off the floor

__ inches below ceiling or sprinkler

__ inches from the outside wall

away from any location that could becmoe __

8 inches off floor

18 inches from ceiling or sprinkler

2 inches from outside wall

wet

What Spaulding classification of endoscopes and breathing circuits?

Requires:

Semi-critical

Usually high-level disinfection

What Spaulding classification are surgical instruments and implants?

Requires:

Critical

Thermal sterilization by steam, ETO, gas plasma or gamma radiation

Non-critical items can be safely used after being ___

Sanitized

Functions of surgical instruments 1-7

1. To cut or incise

2. To retract

3. To grasp, hold, occlude

4. To dilate or probe

5. To cannulate or drain

6. To aspirate, inject, or infuse

7. To suture or ligate

Instruments included in the 400 series include, also called ____

Scissors, osteotomes, chisels, rongeurs, forceps, hemostats and needle holders

Martensitic

Can Martensitic stainless steel be heat treated?

Subject to ______ due to its lack of ____

Stronger but _____

Yes

Corrosion / Nickel

Brittle

Properties of 400 series stainless steal

Able to be heat-hardened

High strength, high wear resistance

Subject to corrosion due to lack of nickel

Properties of 300 series stainless steel

Unable to be heat treated

Highly corrosion resistant

Easier to weld

Bendable/malleable

typically used for non cutting instruments

What is 316 LVM

A 316L stainless steel that has been vacuum melted

What is a Phenolic ?

A composite resin material used in handles of certain osteotomes and hand retractors and orthopedic devices

Categories of surgical instruments

Handheld

Powered

Microsurgical

Minimally invasive

Endoscopic

What part of the instrument is considered the working end

Jaws

What does the FDA say must be stamped on instruments?

Country of origin

Floor grade (Pakistani) instruments usually have a _____ finish

Mirror or shiny finish

What is Passivation?

A process in which a chemical dip (usually nitric acid) removes iron and creates a layer of chromium oxide that makes the instrument more resistant to corrosion, rust, and stains

Types of finishes

Shiny or bright

Satin or matte

Black or ebonized